def evaluate_model_security(model, test_data):
    """
    评估模型安全性
    :param model: 模型
    :param test_data: 测试数据
    :return: 安全性评估结果
    """
    predictions = model.predict(test_data)
    security_score = np.mean(predictions)
    return security_score

# 示例
model = "Model"
test_data = np.random.randn(10, 10)
security_score = evaluate_model_security(model, test_data)
print(f"Security score: {security_score}")